Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026

Chicago → Houston via Dallas: arrives on time 77%

  1. 05:00 MDW → 07:15 DAL
    WN 1377 · Southwest · 2h 15m · 96% on time, 3.8% cancelled
  2. 1h 15m layover in Dallas (DAL) · 45 min minimum on one ticket
  3. 08:30 DAL → 09:45 HOU
    WN 7 · Southwest · 1h 15m · 84% on time, 0.6% cancelled

Total trip 4h 45m, scheduled departure to arrival. Times are local. Both flew on 24 of the last 56 days.

Makes the connection96%The first flight arrived more than 30 minutes late on 4% of the days it flew: too late for the 45-minute minimum connection on a 1h 15m layover.
Arrives on time77%First flight not cancelled (3.8% are) × connection made (96%) × second flight not cancelled (0.6% are) and within 15 minutes (84%).
Total trip4h 45mMDW 05:00 to HOU 09:45, layover included

Not yet counted: the second flight also leaving late (which helps), gate-to-gate distance at the hub, and rebooking after a missed connection.